Evening blast of spot price volatility in South Australia on Monday 23rd September 2024 (Part 1 of a Case Study)
On Monday evening 23rd September 2024 we saw a sustained period of price volatility in South Australia.
Articles by Paul McArdle
One of three founders of Global-Roam back in 2000, Paul has been CEO of the company since that time.
As an author on WattClarity, Paul's focus has been to help make the electricity market more understandable.
(Up to) 75% of Large Solar capability curtailed across the NEM, on Sunday 22nd September 2024
With new ‘lowest’ points for demand in NSW reached over the weekend, today we take a quick look back at curtailment across Large Solar Farms right across the NEM.
NSW minimum demand falls lower, on Sunday 22nd September 2024
On Sunday 22nd September 2024 the minimum demand point for ‘Market Demand’ in NSW dropped lower still.
Spring demand in NSW drops to new low point on Saturday 21st September 2024
The ‘Minimum Demand’ point in NSW is dropping further still, on Saturday 21st September 2024.
More changes to the (re)commissioning schedule for Callide C4
Two weeks after our last look at the Return To Service progress at Callide C4, here’s a quick update as at Friday 20th September 2024.
Early stages of output at Golden Plains Wind Farm East
An early look (via some ez2view widgets) at early output, during commissioning, at Golden Plains Wind Farm East.
About the non-credible contingency event in TAS on Thursday 19th September 2024
A short article following trip of the Gordon – Chapel St No1 and No 2 220 kV lines at 13:40 on Thursday 19th September 2024.
Delivering oscillations, whilst seeking to minimise oscillations? A Case Study (Part 1?) of Darlington Point Solar Farm on Thursday 29th August 2024
A case study, drawing heavily on various widgets in ez2view, looking at some large (and unexpected) oscillations in output at Darlington Point Solar Farm through a ~2 hour period on Thursday 29th August 2024.
A quick overview of market outcomes on Monday 16th September 2024
A short-and-sweet (and back-dated) article to provide an overview of broad market outcomes on Monday 16th September 2024.
Release of Final Report into Power Outage Event on 13th February 2024
Also released on Friday 13th Sept 2024 was this ‘Independent Review of Transmission and Distribution Businesses Operational Response for the 13th February 2024 Storm and Power Outage Event’.
AEMO publishes interim report on Market Suspension on Thu 5th Sept 2024
Eight days after the event occurred, on Friday 13th September 2024 the AEMO published this ‘Preliminary Report: NEM Market Suspension on (Thursday) 5 September 2024’.
Herald Sun speculates about possible extension to Yallourn Power Station
On Sunday 8th September 2024 the Herald Sun published an article speculating about possible Service Life extension to Yallourn Power Station.
Origin Energy drops Minimum Generation levels at Eraring Power Station to 180MW
Some news articles this morning, following a media tour of Eraring Power Station, prompted a piece of quick analysis (focused on ER01) of MinGen levels.
An updated look at monthly NEM-wide wind statistics
With the CEC’s Australian Wind Industry Summit 2024 kicks off tomorrow In Melbourne (Monday 9th September 2024). So I have updated the monthly statistics for wind production across the NEM.
Callide C4 offline again, as planned–but outage extended. Have they found something?
A short update (on Friday 6th September 2024) about Callide C4, which has come off for a planned outage as part of its (re)commissioning process.
There was a second drop in System Frequency on the Mainland (at ~16:45) on Thursday 5th September 2024
There were two significant drops in frequency on Thursday 5th September 2024. Whilst the first coincided with (brief) Market Suspension, in this article we take a look at the second (around 16:45).
This seems a rare instance? … an AEMO Direction in NSW (in this case to Snowy Hydro)
Market Notice 118151 jumped out at me, because it pertains to an AEMO Direction to a Market Participant in NSW. Can’t recall seeing that very often?
Recovery of System Frequency on Thursday 5th September 2024
An updated trend of system frequency to ~14:53 related to AEMO IT incident INC0136004 and Market Suspension.
AEMO issues Market Notice for Market Resumption at 15:10
AEMO declares that the suspension of the spot market will end at 1510 hrs on 05 September 2024.
AEMO declares Market Suspension from 13:55 on Thursday 5th September 2024
AEMO declares the spot market suspended from 13:55 on Thursday 5th September 2024 until further notice.